Welcome to your 07 Math Name 1. A room is 4.5 m long and 4 m wide. The floor of the room is to be covered with tiles of size 18 cm by 10 cm. Find the cost of covering the floor with tiles at the rate of ₹ 4.50 per tile. Deselect Answer ₹4700 ₹4500 ₹ 4750 ₹5400 None 2. If radius of a circle is increased to twice its original length, how much will the area of the circle increase? Deselect Answer 1.4 times 2 times 3 times 4 times None 3. Deselect Answer 18/5 9/5 -5/9 5/9 None 4. Sum of two rational numbers is always a irrational number. Deselect Answer True False Can’t Say None 5. Which of the following shows the maximum rise in temperature? Deselect Answer 23° to 32° -10°to 1° -18° to-11° -5° to 5° None 6. Which of the following equations can be formed starting with x = 0 ? Deselect Answer 2x + 1 = – 1 x/2 + 5 = 7 3x – 1 = – 1 3x – 1 = 1 None 7. How many rational numbers are there between two rational numbers? Deselect Answer 1 0 Unlimited 100 None 8. If r and t are two integers such that r is the successor of t, then what is the value of r - t - 1? Deselect Answer 0 1 t r None 9. ( – 43) × ( – 99) + 43 is equal to Deselect Answer 4300 -4300 4257 – 4214 None 10. A dropped super ball rebounds one-third the distance of its preceding height on each bounce. If such a ball is dropped from a window 72 feet off the ground, how high will it rebound after three bounces? Deselect Answer 24 feet 8/3 feet 8 feet 18 feet None 11. Mohan bought a Mobile for ₹ 9000 and sold at the loss of ₹ 900.Find the selling price of the mobile. Deselect Answer 9900 8100 8900 9100 None 12. If Aashana’s income is 20% more than that of Priya, then how many percent Priya’s income less than that of Aashana? Deselect Answer 20% 18% 16 4/3 % 16 2/3 % None 13. Ratio of areas of ∆ MNO, ∆MOP and ∆MPQ in Figure is Deselect Answer 2 : 1 : 3 1 : 3 : 2 2 : 3 : 1 1 : 2 : 3 None 14. When a number is multiplied by 5 is increased by 80, what is the number? Deselect Answer 15 20 25 30 None 15. Increase Rs 350 by 20% Deselect Answer 370 480 420 None of these None 16. Dimensions of a painting are 100 cm x 50 cm. Find the area of the wooden frame of width 5 cm around painting . Deselect Answer 1500 Sq cm 1400 Sq cm 2600 Sq cm 1600 Sq cm None 17. A car manufacturer claimed that CO₂ emissions from a car were 160g/km. Their latest model has emissions at 15% less. What are the CO₂ emissions on the new car? Deselect Answer 126 183 136 163 None 18. In reference to a circle the value of π is equal to Deselect Answer area/circumference area/diameter circumference/diameter circumference/radius None 19. If 90% of x is 315 km, then the value of x is Deselect Answer 325 km 350 km 405 km 340 km None 20. What is 60 cm as a percentage of 4 m? Deselect Answer 12% 15% 20% None of these None Time's upTime is Up!
